Maeda MC405C-3 - Check; Refill Oil in Travelling Motor Reduction Gear Case

Mini-Crawler Crane M A E D A Section 5 – PERIODIC MAINTENANCE
1/2019 MC405C-3 5-45
Tension Adjustment
• Have a wooden bar available.
1. Insert the bar between the alternator (1) and
cylinder block.
Fig. 5-92
2. Loosen the lower bolt (5) and adjusting bolt
(4).
3. Move the alternator (1) until strain of the belt
(3) falls within the standard value range,
pulling the bar toward you.
4. Tighten the alternator lower bolt (5) and then
the adjusting bolt (4) to secure the alternator
(1).
5. Reattach the machinery cover as described
in "Installing Machinery Cover" on page 5-
18.
Check / Refill Oil in Travelling Motor
Reduction Gear Case
CAUTION:
• For more information on the which oil to be
used, see "LUBRICATING OIL" on page 5-
14.
• Use seal tape, etc. at the thread of the filler
plug to stop the oil leak and securely
tighten the plug after refilling with the oil.
1. Move the machine forward and backward to
position it immediately above the drain plug
(P) of the travelling motor reduction gear
case.
Fig. 5-93
NOTICE: This machine is equipped with two
drain plugs (P). Either drain plug must be
positioned directly underneath the machine.
2. Remove the oil inspection plug (G) of the
travelling motor reduction gear case, and
make sure oil is drained from the plug hole.
3. In the case of insufficient oil in the casing,
remove the top drain plug (P) and replenish
gear oil through the plug hole.
NOTICE:
• Replenish the gear oil until it exudes from the
oil inspection plug.
• Wipe off the oil completely if spilled.
4. Put in the top drain plug (P) and oil
inspection plug (G), and secure the plugs
upon completion of oil inspection and
replenishment.